| Excellent扩张和弱维数 |
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| 引用本文： | 方洪锦.Excellent扩张和弱维数[J].数学杂志,1994,14(3):335-338. |
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| 作者姓名： | 方洪锦 |
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| 作者单位： | 扬州师院 |
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| 摘 要： | 在这篇文章里，我们证明了，当环Ｓ是Ｒ的ｅｘｃｅｌｌｅｎｔ扩张，Ｍ是Ｓ－模时，Ｍ做为Ｓ－模的弱维数与Ｍ做为Ｒ－模的弱维数相等。
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| 关 键 词： | 环 Excellent 扩张 弱维数 |
EXCELLENT EXTEN SIONS AND WEAK DIMENSIONS |
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| Fang Hongjin.EXCELLENT EXTEN SIONS AND WEAK DIMENSIONS[J].Journal of Mathematics,1994,14(3):335-338. |
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| Authors: | Fang Hongjin |
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| Institution: | Yangzhou Teachers College |
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| Abstract: | ln this papsr,we prove that the weak dimension of M as an Smodule is equsI to the weak dimension M as an R-module ,and the weak dimension of S is equal to the weak dimension of R, when S in an excellent extension of R and M is an S-module. |
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| Keywords: | Excellent extension of ring Weak dimension |
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